/* ==================================================================
   Acervo — folha de estilo única
   ================================================================== */

:root {
  --ink: #16211F;
  --ink-soft: #4A5A56;
  --ink-faint: #8A9A95;
  --paper: #E9EBE6;
  --surface: #FFFFFF;
  --line: #D2D7D0;
  --verdigris: #2F6F5E;
  --verdigris-dark: #22574A;
  --amber: #B0761C;
  --rust: #9C3B28;
  --radius: 3px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--verdigris); outline-offset: 2px; }

h1, h2, h3 { font-family: Newsreader, Georgia, serif; font-weight: 500; }

/* ---------- barra superior ---------- */

.topo { border-bottom: 1px solid var(--line); background: var(--paper); position: sticky; top: 0; z-index: 20; }
.topo-interno {
  max-width: 1120px; margin: 0 auto; padding: 18px 24px 0;
  display: flex; flex-wrap: wrap; align-items: flex-end; gap: 6px 26px;
}
.marca {
  font-family: Newsreader, Georgia, serif; font-size: 28px; letter-spacing: -0.01em;
  text-decoration: none; line-height: 1; padding-bottom: 12px;
}
.abas { display: flex; gap: 2px; }
.abas a {
  padding: 10px 12px 12px; text-decoration: none; color: var(--ink-soft); font-weight: 500;
  border-bottom: 2px solid transparent;
}
.abas a:hover { color: var(--ink); }
.abas a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--verdigris); }
.contador {
  display: inline-block; min-width: 18px; padding: 0 5px; margin-left: 6px;
  border-radius: 9px; background: var(--rust); color: #fff;
  font-size: 11px; font-weight: 600; line-height: 18px; text-align: center; vertical-align: 1px;
}
.conta { margin-left: auto; display: flex; align-items: center; gap: 14px; padding-bottom: 11px; }
.quem { font-size: 13px; line-height: 1.25; display: flex; flex-direction: column; text-align: right; }
.quem .papel { color: var(--ink-faint); font-size: 12px; }
.conta form { margin: 0; }
.link { background: none; border: 0; padding: 0; color: var(--ink-soft); text-decoration: underline; font-size: 13px; }
.link:hover { color: var(--ink); }

.conteudo { max-width: 1120px; margin: 0 auto; padding: 28px 24px 80px; }

/* ---------- avisos ---------- */

.aviso {
  border: 1px solid var(--line); border-left: 3px solid var(--verdigris);
  background: var(--surface); padding: 11px 16px; border-radius: var(--radius);
  margin-bottom: 22px; font-size: 14px;
}
.aviso.erro { border-left-color: var(--rust); color: var(--rust); }

/* ---------- botões ---------- */

.btn {
  display: inline-block; padding: 10px 18px; border: 1px solid var(--verdigris);
  border-radius: var(--radius); background: var(--verdigris); color: #fff;
  font-weight: 500; text-decoration: none; text-align: center;
}
.btn:hover { background: var(--verdigris-dark); border-color: var(--verdigris-dark); }
.btn.fantasma { background: transparent; color: var(--ink-soft); border-color: var(--line); }
.btn.fantasma:hover { background: var(--surface); color: var(--ink); border-color: var(--ink-faint); }
.btn.perigo { background: transparent; border-color: var(--line); color: var(--rust); }
.btn.perigo:hover { background: var(--rust); border-color: var(--rust); color: #fff; }
.btn.pequeno { padding: 6px 12px; font-size: 13.5px; }
.btn.largo { width: 100%; }

.voltar { display: inline-block; margin-bottom: 18px; color: var(--ink-soft); font-size: 13.5px; }

/* ---------- cartões e formulários ---------- */

.cartao {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px 22px;
}
.cartao h2 { font-size: 21px; margin: 0 0 4px; }
.cartao .dica { margin: 0 0 16px; color: var(--ink-soft); font-size: 13.5px; }
.formulario h2 { margin-bottom: 20px; }
.formulario.estreito { max-width: 480px; }

.linha-isbn { display: flex; gap: 10px; flex-wrap: wrap; }
.linha-isbn input {
  flex: 1 1 240px; min-width: 0; padding: 10px 14px;
  border: 1px solid var(--line); border-radius: var(--radius); background: #fff;
  font-variant-numeric: tabular-nums; letter-spacing: .04em;
}
.linha-isbn input::placeholder { letter-spacing: 0; color: var(--ink-faint); }

.campo { margin-bottom: 15px; border: 0; padding: 0; }
.campo label, .campo legend { display: block; font-size: 13px; color: var(--ink-soft); margin-bottom: 5px; padding: 0; }
.campo input, .campo select, .campo textarea {
  width: 100%; padding: 9px 12px; border: 1px solid var(--line);
  border-radius: var(--radius); background: #fff;
}
.campo input:disabled { background: #F3F4F1; color: var(--ink-faint); }
.campo textarea { resize: vertical; }
.campo.com-erro input, .campo.com-erro select, .campo.com-erro textarea { border-color: var(--rust); }
.erro-campo { display: block; margin-top: 4px; font-size: 12.5px; color: var(--rust); }

.grade-form { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; }
.grade-form .largo { grid-column: 1 / -1; }
@media (max-width: 620px) { .grade-form { grid-template-columns: 1fr; } }

.escolha { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 10px; cursor: pointer; }
.escolha input { width: auto; margin-top: 4px; }
.escolha span { display: flex; flex-direction: column; font-size: 13.5px; color: var(--ink-soft); }
.escolha strong { font-weight: 500; color: var(--ink); font-size: 15px; }
.escolha.simples { align-items: center; margin: 4px 0 18px; }
.escolha.simples span { font-size: 14px; }

.acoes { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-top: 20px; }
.acoes form { margin: 0; }
.sub-secao { font-size: 17px; margin: 26px 0 14px; padding-top: 18px; border-top: 1px solid var(--line); }

/* ---------- filtros ---------- */

.filtros { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin: 30px 0 18px; }
.filtros input[type="search"], .filtros select {
  padding: 9px 12px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff;
}
.filtros input[type="search"] { flex: 1 1 240px; min-width: 0; }

.cabecalho-secao { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.titulo-pagina { font-size: 27px; margin: 4px 0 0; }
.cabecalho-secao .btn { margin-left: auto; }
.secao { font-size: 21px; margin: 36px 0 14px; }

/* ---------- grade de livros ---------- */

.grade { display: grid; grid-template-columns: repeat(auto-fill, minmax(148px, 1fr)); gap: 26px 20px; }
.livro { text-decoration: none; display: block; }
.capa-envelope { position: relative; }
.capa {
  position: relative; aspect-ratio: 2/3; background: var(--surface);
  border: 1px solid var(--line); border-radius: 2px; overflow: hidden;
  box-shadow: 0 1px 0 var(--line);
}
.capa img { width: 100%; height: 100%; object-fit: cover; display: block; }
.livro:hover .capa { border-color: var(--ink-faint); }
.capa-vazia {
  height: 100%; padding: 15px 13px; display: flex; flex-direction: column;
  justify-content: space-between; color: #fff;
}
.capa-vazia .ct { font-family: Newsreader, Georgia, serif; font-size: 17px; line-height: 1.22; }
.capa-vazia .ca { font-size: 11.5px; opacity: .85; }

.selo {
  position: absolute; left: 0; bottom: 0; padding: 4px 8px;
  font-size: 11px; font-weight: 600; color: #fff;
}
.selo.emprestado { background: var(--amber); }
.selo.atrasado { background: var(--rust); }

.livro h3 { font-size: 16px; margin: 9px 0 2px; line-height: 1.25; }
.livro .autor { font-size: 12.5px; color: var(--ink-soft); }

/* ---------- ficha do livro ---------- */

.ficha { display: flex; gap: 30px; align-items: flex-start; }
.ficha-capa { position: relative; width: 190px; flex: none; }
.capa.grande { box-shadow: 0 2px 0 var(--line); }
.ficha-corpo { flex: 1 1 auto; min-width: 0; }
.ficha-corpo h1 { font-size: 30px; margin: 0 0 8px; line-height: 1.15; }
.ficha-meta { font-size: 14px; color: var(--ink-soft); }
.ficha-meta div { margin-top: 3px; }
.ficha-meta .com-quem { color: var(--amber); margin-top: 10px; }
.sinopse { margin-top: 20px; font-size: 14.5px; line-height: 1.62; color: var(--ink-soft); max-width: 68ch; }
.nota {
  margin-top: 18px; padding: 12px 15px; background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--radius); font-size: 14px;
}
.nota span { display: block; font-size: 12px; color: var(--ink-faint); margin-bottom: 3px; }
.miudo { color: var(--ink-faint); font-size: 12.5px; }
.ficha-corpo .miudo { display: block; margin-top: 18px; }
@media (max-width: 620px) { .ficha { flex-direction: column; } .ficha-capa { width: 140px; } }

/* ---------- listas de empréstimo ---------- */

.duas-colunas { display: grid; grid-template-columns: 330px 1fr; gap: 34px; align-items: start; }
@media (max-width: 820px) { .duas-colunas { grid-template-columns: 1fr; } }

.lista { border-top: 1px solid var(--line); }
.emprestimo { display: flex; gap: 16px; align-items: flex-start; padding: 15px 0; border-bottom: 1px solid var(--line); }
.emprestimo.fechado { opacity: .62; }
.emprestimo .mini {
  width: 46px; flex: none; aspect-ratio: 2/3; object-fit: cover;
  border: 1px solid var(--line); background: var(--surface); display: block;
}
.emprestimo .corpo { flex: 1 1 auto; min-width: 0; }
.emprestimo .titulo { font-family: Newsreader, Georgia, serif; font-size: 17px; line-height: 1.25; text-decoration: none; }
.emprestimo .titulo:hover { text-decoration: underline; }
.emprestimo .quem { font-size: 13.5px; color: var(--ink-soft); margin-top: 2px; }
.prazo { font-size: 13px; margin-top: 6px; font-variant-numeric: tabular-nums; color: var(--ink-soft); }
.prazo.atrasado { color: var(--rust); font-weight: 500; }
.prazo.hoje { color: var(--amber); font-weight: 500; }
.acoes-linha { margin: 0; }

/* ---------- tabelas ---------- */

.tabela { width: 100%; border-collapse: collapse; font-size: 14px; }
.tabela th {
  text-align: left; font-weight: 500; font-size: 12.5px; color: var(--ink-faint);
  padding: 0 12px 8px 0; border-bottom: 1px solid var(--line);
}
.tabela td { padding: 12px 12px 12px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.tabela .dir { text-align: right; }
.tabela .nome { display: block; }
.tabela .miudo { display: block; }
.tabela tr.inativo { opacity: .55; }
.pendente { color: var(--amber); }
.acoes-tabela { display: flex; gap: 6px; justify-content: flex-end; flex-wrap: wrap; }
.acoes-tabela form { margin: 0; }

.etiqueta {
  display: inline-block; padding: 2px 9px; border-radius: 11px;
  font-size: 12px; font-weight: 500; border: 1px solid var(--line); background: var(--surface);
}
.etiqueta.admin { border-color: var(--rust); color: var(--rust); }
.etiqueta.bibliotecario { border-color: var(--verdigris); color: var(--verdigris); }
.etiqueta.leitor { color: var(--ink-soft); }

.papeis { margin-top: 40px; }
.papel-linha { display: flex; gap: 14px; align-items: baseline; padding: 9px 0; border-bottom: 1px solid var(--line); font-size: 14px; color: var(--ink-soft); }
.papel-linha .etiqueta { flex: none; width: 130px; text-align: center; }

/* ---------- paginação ---------- */

.paginacao { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin: 28px 0 0; font-size: 13.5px; }
.paginacao .resumo { color: var(--ink-faint); }
.paginacao .paginas { margin-left: auto; display: flex; gap: 4px; }
.paginacao a {
  display: inline-block; min-width: 32px; padding: 6px 9px; text-align: center;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface); text-decoration: none; color: var(--ink-soft);
}
.paginacao a:hover { border-color: var(--ink-faint); color: var(--ink); }
.paginacao a.atual { background: var(--verdigris); border-color: var(--verdigris); color: #fff; }
.paginacao .reticencias { padding: 6px 2px; color: var(--ink-faint); }

/* ---------- estados vazios e números ---------- */

.vazio {
  border: 1px dashed var(--line); border-radius: var(--radius);
  padding: 44px 28px; text-align: center; color: var(--ink-soft);
}
.vazio strong {
  display: block; font-family: Newsreader, Georgia, serif; font-size: 19px;
  font-weight: 500; color: var(--ink); margin-bottom: 6px;
}

.numeros { display: flex; flex-wrap: wrap; gap: 30px; margin-top: 34px; padding-top: 22px; border-top: 1px solid var(--line); }
.numeros div { line-height: 1.15; display: flex; flex-direction: column; }
.numeros .n { font-family: Newsreader, Georgia, serif; font-size: 29px; font-variant-numeric: tabular-nums; }
.numeros .l { font-size: 12.5px; color: var(--ink-soft); }
.numeros .atras .n { color: var(--rust); }

/* ==================================================================
   Tela de login
   ================================================================== */

.tela-login { background: var(--ink); }
.login-grade { min-height: 100vh; display: grid; grid-template-columns: 1.15fr 1fr; }

.estante {
  background: #101A18; position: relative; overflow: hidden;
  display: flex; flex-direction: column; justify-content: flex-end; padding: 0 0 12vh;
}
.prateleira {
  display: flex; align-items: flex-end; gap: 5px; height: 46vh;
  padding: 0 8% 0; margin-bottom: 0;
}
.lombada {
  flex: 0 0 auto; border-radius: 2px 2px 0 0; position: relative;
  display: flex; align-items: flex-end; justify-content: center;
  box-shadow: inset -6px 0 12px rgba(0,0,0,.28), inset 2px 0 0 rgba(255,255,255,.09);
}
.lombada span {
  writing-mode: vertical-rl; transform: rotate(180deg);
  padding: 14px 0 18px; color: rgba(255,255,255,.82);
  font-family: Newsreader, Georgia, serif; font-size: 13px; letter-spacing: .01em;
  white-space: nowrap; overflow: hidden; max-height: 100%;
}
.madeira { height: 10px; background: #6B4B32; box-shadow: 0 6px 16px rgba(0,0,0,.5); margin: 0 6%; }

.login-painel { background: var(--paper); display: flex; align-items: center; justify-content: center; padding: 40px 28px; }
.login-caixa { width: 100%; max-width: 340px; }
.login-caixa h1 { font-size: 40px; margin: 0; line-height: 1; letter-spacing: -0.015em; }
.login-caixa .sub { margin: 8px 0 28px; color: var(--ink-soft); font-size: 14px; }
.login-caixa .btn { margin-top: 6px; }
.rodape-login { margin-top: 26px; font-size: 12.5px; color: var(--ink-faint); }

@media (max-width: 860px) {
  .login-grade { grid-template-columns: 1fr; }
  .estante { display: none; }
  .login-painel { min-height: 100vh; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}